From 9a06d9f6e87c948997b908456ff8838e6110757e Mon Sep 17 00:00:00 2001
From: William Pitcock <nenolod@dereferenced.org>
Date: Sat, 23 Mar 2019 02:19:34 +0000
Subject: [PATCH] notification: preload child objects

---
 lib/pleroma/notification.ex | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/pleroma/notification.ex b/lib/pleroma/notification.ex
index a98649b63..ef8e0b4c1 100644
--- a/lib/pleroma/notification.ex
+++ b/lib/pleroma/notification.ex
@@ -7,6 +7,7 @@ defmodule Pleroma.Notification do
 
   alias Pleroma.Activity
   alias Pleroma.Notification
+  alias Pleroma.Object
   alias Pleroma.Pagination
   alias Pleroma.Repo
   alias Pleroma.User
@@ -33,7 +34,10 @@ def for_user_query(user) do
     Notification
     |> where(user_id: ^user.id)
     |> join(:inner, [n], activity in assoc(n, :activity))
-    |> preload(:activity)
+    |> join(:left, [n, a], object in Object,
+      on: fragment("(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)", object.data, a.data)
+    )
+    |> preload([n, a, o], activity: {a, object: o})
   end
 
   def for_user(user, opts \\ %{}) do